Table 3.
Risk of advanced colorectal neoplasia by the lifestyle score n (%)
| Total (n = 6315) % column1 | Advanced colorectal neoplasia (n = 311), n | Absolute risk estimates per 10004 | OR, (95%CI)2 | P trend5 | |
| Lifestyle score3 | < 0.001 | ||||
| 0-1 | 371 (6) | 32 | 86.3 | 1.00 (Ref) | |
| 2 | 1248 (20) | 92 | 73.7 | 0.82 (0.45-1.16) | |
| 3 | 1749 (27) | 71 | 40.6 | 0.43 (0.28-0.73) | |
| 4 | 1312 (21) | 46 | 35.1 | 0.41 (0.23-0.64) | |
| 5-6 | 684 (11) | 21 | 30.7 | 0.41 (0.22-0.73) | |
| Mising | 951 (15) | 49 | |||
| C-statistics | 0.71 (0.68-0.74) |
The number of replies may not sum to the total due to incomplete replies on the lifestyle questionnaire;
The model was adjusted for age (continuously), screenings arm (fecal immunochemical test, flexible sigmoidoscopy), gender (women, men), center (Moss, Bærum), education (primary school, high school, university/college studies of minimum 2 years) and whole meal bread;
One point for each lifestyle adherence, except only 1 point if adherence to both: fatty fish and fruits and vegetables;
Absolute risk calculated: with in each score: (n ACN/Total n)*1000;
P trend was calculated using the lifestyle score as continuous. Lifestyle score characteristics, odds ratio (OR) and 95%CI for the risk of advanced colorectal neoplasia by multivariable logistic regression for participants in the lifestyle sub-study of the Bowel Cancer Screening in Norway - a pilot study.